Forms of lime application and use of phosphogypsum in low acid soil in southern Brazil: soybean-wheat yield and soil chemical properties

Besen, Marcos Renan; Coneglian, Carolina Fedrigo; Cassim, Bruno Maia Abdo Rahmen; Kachinski, Wagner Deckij; Inoue, Tadeu Takeyoshi; Batista, Marcelo Augusto

doi:10.36783/18069657rbcs2021000x

Cited by 3 publications

(2 citation statements)

References 44 publications

(62 reference statements)

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“…Even with these improvements in soil chemical properties, Minato and co‐workers did not observe any increase in yield in four soybean harvests conducted. Our findings agree with those of previous studies showing that soils with low or moderate acidity under no‐till do not always respond to liming (Besen et al., 2021). Fontoura et al.…”

Section: Discussionsupporting

confidence: 94%

“…Limestone is the most commonly used material for soil acidity correction in Brazil owing to its low price, wide availability, and ability to improve the efficiency of applied fertilizers (Castro et al., 2016; Fageria & Baligar, 2008). This agricultural input also supplies soil with nutrients such as calcium (Ca 2+ ) and magnesium (Mg 2+ ), reducing toxic levels of exchangeable aluminum (Al 3+ ) (Besen et al., 2021). However, lime has poor solubility, and its dissociated components have limited mobility along the soil profile.…”

Section: Introductionmentioning

confidence: 99%

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Dolomitic lime and silicate in no‐till: Nutritional status, soil fertility, and soybean agronomic performance

Cassim,

Rodrigues,

Besen

et al. 2024

Soil Science Soc of Amer J

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Limestone is the most widely used agricultural input for soil acidity correction and calcium (Ca) and magnesium (Mg) fertilization. However, other materials have the potential to fulfill these purposes, such as steel slags, also known as silicates. Silicates have higher solubility than limestone, serving as agents for increase pH in no‐till, in addition to being a source of Ca, Mg, and silicon (Si). This study aimed to compare the effects of surface application of dolomitic lime and calcium magnesium silicate on soil chemical properties, soybean [Glycine max (L.) Merr.] nutritional status, and grain yield under no‐till. The experiment was installed in the northwest Paraná State, Brazil, on a Rhodic Eutrustox. Lime and silicate rates were applied by broadcasting before the sowing of soybean. Silicate treatment increases soil Ca2+, pH, and base saturation up to a depth of 0.10 m. By contrast, liming effects on soil chemistry were restricted to the 0.05 m top layer after 24 months of application. The acidity correction and Ca2+ supply to greater soil depths and the increased leaf Si as a beneficial element provided by silicate treatment contributed to increasing soybean yield in the 2018/2019 and 2019/2020 seasons. Lime application, regardless of the rate, did not improve soybean yield. Waste from the steel industry can be used as acidity correctives and source of Si, Ca, and Mg, improving the agronomic performance of soybean.

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Section: Discussionsupporting

confidence: 94%